Design Of A Compact Uwb Wilkinson Power Divider Using Ring Structured And Tapered Line Matching Transformer
INTERNATIONAL SYMPOSIUM ON MATERIALS AND ELECTRICAL ENGINEERING 2019 (ISMEE 2019)(2020)
摘要
There is an increasing interest in the design of ultra-wideband (UWB) microwave components for UWB applications. One of the important components in the ultra-wideband application is power divider. In this paper, an ultra-wideband Wilkinson power divider (WPD) using ring structure and tapered line matching transformer is proposed. The aims of this research are to design an UWB WPD for feeding antenna UWB in use of detecting breast cancer. The method used in this research is simulation using finite integration based on CST STUDIO SUITE 2015 3D EM simulator software. This study shows the improvement of output responses due to the introduction of a tapered line and added isolation resistors. The bandwidth and input reflection coefficient are also improved by the ring structure. The proposed UWB WPD can be used for 1:2-way equal power division application in ultra-wideband range, such as UWB antenna which is operating in frequency 3-13 GHz. The simulation result shows that the return loss is better than -10 dB and the insertion loss is about 3.2 dB until 4.15 dB for the operating frequencies and impedance value of 50 ohms.
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